EP4135984A1 - Flüssigkeitsausstosswerkzeug mit gestanzter nanokeramikschicht - Google Patents

Flüssigkeitsausstosswerkzeug mit gestanzter nanokeramikschicht

Info

Publication number
EP4135984A1
EP4135984A1 EP20931447.5A EP20931447A EP4135984A1 EP 4135984 A1 EP4135984 A1 EP 4135984A1 EP 20931447 A EP20931447 A EP 20931447A EP 4135984 A1 EP4135984 A1 EP 4135984A1
Authority
EP
European Patent Office
Prior art keywords
fluid
die
cartridge
ejection
stamped
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20931447.5A
Other languages
English (en)
French (fr)
Other versions
EP4135984B1 (de
EP4135984A4 (de
Inventor
Chien-Hua Chen
Michael G. Groh
Bo Song
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Development Co LP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Development Co LP filed Critical Hewlett Packard Development Co LP
Publication of EP4135984A1 publication Critical patent/EP4135984A1/de
Publication of EP4135984A4 publication Critical patent/EP4135984A4/de
Application granted granted Critical
Publication of EP4135984B1 publication Critical patent/EP4135984B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17553—Outer structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17513—Inner structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/16—Production of nozzles
    • B41J2/1606—Coating the nozzle area or the ink chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/1631—Manufacturing processes photolithography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/1632—Manufacturing processes machining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/16—Production of nozzles
    • B41J2/1621—Manufacturing processes
    • B41J2/164—Manufacturing processes thin film formation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/16—Production of nozzles
    • B41J2/162—Manufacturing of the nozzle plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites

Definitions

  • Printing devices including standalone printers as well as all-in-one (AIO) printing devices that combine printing functionality with other functionality like scanning and copying, can use a variety of different printing techniques.
  • One type of printing technology is inkjet-printing technology, which is more generally a type of fluid-ejection technology.
  • Fluid-ejection devices have fluid-ejection dies that can selectively eject fluid like inks, binding agents, biological samples, agents, reagents, and so on.
  • FIGs. 1 A and 1 B are cross-sectional diagrams of example fluid- ejection die cartridges having stamped nanoceramic layers.
  • FIG. 2 is a cross-sectional diagram of a portion of an example fluid- ejection die cartridge having a stamped nanoceramic layer, in detail.
  • FIG. 3 is a diagram illustrating example stamping of a nanoceramic layer on a fluid-ejection die of a fluid-ejection die cartridge.
  • FIG. 4 is a flowchart of an example method of assembly of a fluid- ejection die cartridge having a stamped nanoceramic layer.
  • FIG. 5 is a block diagram of an example fluid-ejection die cartridge having a stamped nanoceramic layer.
  • FIG. 6 is a block diagram of an example fluid-ejection device including a fluid-ejection die cartridge having a stamped nanoceramic layer.
  • a fluid-ejection device like an inkjet-printing device can include a fluid-ejection die that selectively ejects fluid like inks, binding agents, biological samples, agents, reagents, and so on.
  • the fluid-ejection die may be part of a fluid-ejection die cartridge that also includes a cartridge body to which the die is fluidically attached.
  • the cartridge may be replaceably insertable into the fluid-ejection device.
  • the cartridge can include a reservoir to hold fluid that the die is to eject, and/or a fluidic connector to fluidically connect the cartridge to a fluid supply external to the cartridge.
  • Fluid is specifically ejected through nozzles of an exposed nozzle plate of a fluid-ejection die.
  • the nozzle plate can also be referred to as an orifice plate.
  • the nozzle plate may be manufactured from a relatively soft material, such as SU-8 epoxy negative photoresist.
  • the nozzle plate may thus be susceptible to mechanical damage like scratching during usage. Such mechanical damage may occur as a result of contact with media, like paper, during fluid ejection on the media, as well as when the die undergoes cleaning or wiping within the fluid-ejection device at a service station.
  • the nozzle plate of a fluid-ejection die is further susceptible to fluid puddling and sticking due to the high surface energy of SU-8 epoxy negative photoresist. This is particularly the case with the usage of latex inks, which may dry on the nozzle plate in a manner not unlike latex paint.
  • the die may thus have to undergo frequent servicing to remove dried fluid. Furthermore, the die can suffer from decreased performance if nozzles remain clogged even after aggressive servicing, with a resulting decrease in die life.
  • the nanoceramic layer is a relatively hard layer, and provides the nozzle plate with improved scratch resistance if not anti-scratch properties, inhibiting mechanical damage.
  • the nanoceramic layer is hydrophobic, inhibiting fluid puddling.
  • the nanoceramic layer is relatively slippery, providing the nozzle plate with improved stick resistance if not anti-stick properties, and thus inhibiting fluid sticking.
  • stamping the nanoceramic layer on the exposed fluid-ejection nozzle plate of the fluid-ejection die, as opposed to depositing such a nanoceramic layer during die fabrication can be beneficial.
  • the nanoceramic layer may be stamped on the nozzle plate of the die after the fluid-ejection cartridge has been already been assembled, such as after the fabricated die has been attached to the cartridge’s body. Stamping may occur just prior to fluid fill of the cartridge in the case in which the cartridge has an internal fluid reservoir.
  • Stamping the nanoceramic layer on the nozzle plate of the die after assembly of the die cartridge can be more cost effective than depositing the nanoceramic layer during fabrication of the die.
  • nanoceramic layer stamping can thus be more easily integrated with existing cartridge manufacture processes.
  • FIGs. 1 A and 1 B show different examples of a fluid-ejection die cartridge 100.
  • the die cartridge 100 may be replaceably insertable into a fluid- ejection die device.
  • the cartridge 100 may be an inkjet-printing cartridge for an inkjet-printing device, for instance.
  • the cartridge 100 includes a cartridge body 102 to which a fluid-ejection die 104, such as an inkjet die, is fluidically attached.
  • the cartridge 100 includes a stamped nanoceramic layer on the exposed die 104.
  • the cartridge 100 may include other components, too, such as flexible circuits, and so on.
  • the fluid-ejection die 104 is exposed at an exterior surface of the cartridge body 102 of the die cartridge 100.
  • the die 104 can eject fluid.
  • the die 104 may include fluid-ejection elements, such as firing resistors, which eject fluid from corresponding chambers and through corresponding exposed nozzles between which the chambers are respectively positioned.
  • the die 104 may include fluid-ejection elements other than firing resistors in a different implementation.
  • the cartridge body 102 of the die cartridge 100 includes a fluid reservoir 108 that can hold an internal supply of fluid, such as latex ink, and that is fluidically coupled to the die 104 via a fluidic channel 110.
  • One fluidic channel 110 is shown in FIG. 1 A, but there can be more than one channel 110.
  • the die 104 ejects fluid from the internal fluid supply of the reservoir 108.
  • the cartridge body 102 of the cartridge 100 includes a fluidic connector 152 that is fluidically coupled to the die 104 via the channel 110.
  • One fluidic channel 110 is shown, but there can be more than one channel 110.
  • the connector 152 is fluidically connectable to an external supply of fluid, such as latex ink, which the die 104 then ejects in FIG. 1B.
  • the cartridge body 102 can include both the reservoir of FIG. 1A and the connector 152 of FIG. 1 B.
  • FIG. 2 shows a portion of an example fluid-ejection die cartridge 100, such as the cartridge 100 of FIG. 1A or 1B.
  • the cartridge body 102, the fluid-ejection die 104, the stamped nanoceramic layer 106, and the fluidic channel 110 of the cartridge 100 are specifically shown in FIG. 2.
  • the fluid- ejection die 104 includes a nozzle plate 202, as well as other layers 204.
  • the other layers 204 can include chamber layers, a layer including firing elements such as firing resistors, substrate layers, and so on.
  • the nozzle plate 202 of the fluid-ejection die 104 is exposed at an external surface of the cartridge body 102.
  • the nozzle plate 202 can also be referred to as a nozzle layer or as an orifice plate or layer.
  • the nozzle plate 202 includes nozzles 206 through which the die 104 ejects fluid.
  • the nozzle plate 202 may be fabricated from SU-8 epoxy negative photoresist.
  • the nozzle plate 202 may be fabricated from other materials in other implementations, however.
  • the nanoceramic layer 106 is stamped on the exposed nozzle plate 202 of the fluid-ejection die 104.
  • the stamped nanoceramic layer 106 does not extend over the cartridge body 102 to either side of the die 104, but in another implementation may do so.
  • the stamped nanoceramic layer 106 does not extend over and into the nozzles 206 of the nozzle plate 202, but similarly may do so in another implementation.
  • the stamped nanoceramic layer 106 may be comparatively thin, with a thickness of no more than one micron.
  • the stamped nanoceramic layer 106 can include ceramic nanoparticles, which are a type of nanoparticle that is composed of ceramics, which are generally classified as inorganic, heat-resistant, and nonmetallic solids that can be made of both metallic and nonmetallic compounds.
  • ceramic nanoparticles include silica, silica carbide, and titanium oxide nanoparticles.
  • the stamped nanoceramic layer 106 may be a layer of anti-graffiti material of hydrocarbon and ceramic ingredients.
  • An example of such an anti graffiti material is the Nasiol® NL272 nanoceramic vehicle surface protection coating manufactured by Artekya Ltd. Co., of Istanbul, Turkey.
  • Another example of such an anti-graffiti material is the Nasiol® ZR53 nanoceramic vehicle surface protection coating that is also manufactured by Artekya Ltd. Co.
  • the stamped nanoceramic layer 106 may be a layer of hydrophobic and oleophobic anti-graffiti material of hydrophobic polymer and ceramic ingredients.
  • An example of such a hydrophobic and oleophobic anti-graffiti material is the NanoSilc® NS 200 coating. This anti-graffiti material is manufactured by Florida CirTech, of Greeley, Colo.
  • the stamped nanoceramic layer 106 can be scratch-resistant if not anti-scratch.
  • the nanoceramic layer 106 may have a scratch hardness greater than 9H in pencil hardness. Pencil hardness is measured along a scale from 6B, indicating maximum pencil softness, to 9H, indicating maximum pencil hardness.
  • the stamped nanoceramic layer 106 can be stick-resistant if not anti-stick.
  • the nanoceramic layer 106 may have a hydrophobicity greater than a 105-degree water contact angle and/or greater than a 40-degree latex ink contact angle, whereas a nozzle plate 208 fabricated from SU-8 epoxy negative photoresist has less than a 90-degree water contact angle and/or less than a 20-degree latex ink contact angle.
  • the nanoceramic layer 106 may additionally or alternatively have a force of adhesion of less than 0.2 Newtons per 20 millimeters as measured by a cellophane tape peel test.
  • FIG. 3 shows example stamping of a nanoceramic layer 106 on the fluid-ejection die 104 of the fluid-ejection die cartridge 100.
  • the stamping process depicted in FIG. 3 is consistent with the stamping process described in the pending PCT patent application entitled “Uniform print head surface coating,” filed on July 30, 2019, and assigned PCT patent application no.
  • the cartridge body 102, the fluid-ejection die 104, and the stamped nanoceramic layer 106 of the cartridge 100 are specifically shown in FIG. 3.
  • the assembled fluid-ejection die cartridge 100 and a film 302 are positioned relative to one another so that the die 104 of the cartridge 100 is located under a nanoceramic layer 304 disposed on the film 302.
  • the film 302 may be a polyethylene film. Downwards pressure, as indicated by arrows 306, is applied against a stamp 308 on the topside of the film 302 to stamp a portion of the nanoceramic layer 304 onto the die 104. This portion of the nanoceramic layer 304 forms the stamped nanoceramic layer 106 on the die 104.
  • FIG. 4 shows an example method 400 for assembling the fluid- ejection die cartridge 100 having the stamped nanoceramic layer 106.
  • the method 400 includes fluidically attaching the fluid-ejection die 104 to the cartridge body 102 (402), thus forming the cartridge 100.
  • the die 104 is attached to the body 102 after both the die 104 and the body 102 have separately been fabricated.
  • Other components of the cartridge 100 may have also already been attached to the body 102 before the die 104 is attached.
  • the fluid-ejection nozzle plate 202 of the die 104 remains exposed after attachment of the die 104 to the cartridge body 102.
  • the method 400 includes stamping the nanoceramic layer 106 on the fluid-ejection die 104 (404), after the die 104 has been fluidically attached to the cartridge body 102.
  • the nanoceramic layer 106 may be stamped in the manner that has been described with reference to FIG. 3.
  • the nanoceramic layer 106 is specifically stamped on the exposed nozzle plate 202.
  • the fluid reservoir 108 of the die 104 may be filled with fluid, in the case in which the die
  • FIG. 5 shows the example fluid-ejection die cartridge 100.
  • the die cartridge 100 includes the cartridge body 102 and the fluid-ejection die 104, which is fluidically attached to the cartridge body 102 and which can eject fluid.
  • the cartridge 100 includes the stamped nanoceramic layer 106 on the exposed fluid-ejection nozzle plate 202 of the die 104.
  • FIG. 6 shows an example fluid-ejection device 600.
  • the fluid- ejection device 600 may be an inkjet-printing device.
  • the fluid-ejection device 600 includes a motor 602 and the fluid-ejection die cartridge 100.
  • the device 600 can include other components as well, such as media trays, rollers, processing hardware, communication hardware to communicate with host computing devices or removable data storage media, and so on.
  • the fluid-ejection die cartridge 100 includes the fluid-ejection die 104 on which the nanoceramic layer 106 has been stamped.
  • the motor 602 advances media past the die 104, and the die 104 ejects fluid on the media.
  • the die 104 may selectively eject ink onto media like sheets of paper to form images on the media.
  • the die is part of a die cartridge including a cartridge body to which the die can be attached after fabrication and prior to stamping of the nanoceramic layer.
  • the nanoceramic layer reduces the susceptibility of the die to mechanical damage, as well as to fluid puddling and sticking. The nanoceramic layer thus increases die robustness, performance, and operative life.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Ink Jet (AREA)
EP20931447.5A 2020-04-14 2020-04-14 Flüssigkeitsausstosswerkzeug mit gestanzter nanokeramikschicht Active EP4135984B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2020/028059 WO2021211094A1 (en) 2020-04-14 2020-04-14 Fluid-ejection die with stamped nanoceramic layer

Publications (3)

Publication Number Publication Date
EP4135984A1 true EP4135984A1 (de) 2023-02-22
EP4135984A4 EP4135984A4 (de) 2024-01-17
EP4135984B1 EP4135984B1 (de) 2025-09-03

Family

ID=78084545

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20931447.5A Active EP4135984B1 (de) 2020-04-14 2020-04-14 Flüssigkeitsausstosswerkzeug mit gestanzter nanokeramikschicht

Country Status (6)

Country Link
US (1) US12097711B2 (de)
EP (1) EP4135984B1 (de)
CN (1) CN115362065A (de)
BR (1) BR112022020501A2 (de)
TW (1) TWI804825B (de)
WO (1) WO2021211094A1 (de)

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US12097711B2 (en) 2024-09-24
US20240100849A1 (en) 2024-03-28
CN115362065A (zh) 2022-11-18
WO2021211094A1 (en) 2021-10-21
TW202218975A (zh) 2022-05-16
BR112022020501A2 (pt) 2022-12-06
TWI804825B (zh) 2023-06-11
EP4135984A4 (de) 2024-01-17

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